Water-filter.



TENT OFFICE.

AUGUSTINE KENNEY, OF SAN FRANCISCO, CALIFORNIA, ASSIGNOR To HERMANN ZADIG, PLACE.

R. C. REED AND WILLIAM BRADY, OF SAME WATER-FILTER.

SPECIFICATION forming part of Letters Patent No. 634,113, dated October 3, 1899. h Application filedFebruary 16. 1899- berifil 1 (N modem i To all whom/it. may concern:

Be it known that I, AUGUSTINE KENNEY, a citizen of theUnited States, residing inthe city and county of- San Francisco, State of California, have invented an Improvementin tVater-Filters; and I hereby declare the following to be a full, clear, and exact descrips tionof the same.

My invention relates to an improved automatically-cleaning filter for water and the erence to the accompanying drawings, in

' which Figure 1 is' a vertical section through the filter. Fig. 2 is a horizontal section on line 11 1 of Fig. 1. Fig. 3 is a modification of the inlet. Fig. eshows a means for cleaning the interior of the filter.

A is a chamber or casing made of anysuit able or desired material and of a size conven-.

ter is free to pass into the pipe through these perforations and may be drawn either by means of a suitablecock, faucet, or other device at the top or by a cook or faucet D at the bottom. Y

In order to cleanse the outer surface of the filter when itbecomes coated with deposited material, I employ jet-tubes E, which extend upward upon each side of the filter and essentially parallel therewith. Thesejet-tubes water upon the surface of the filter.

have perforations E made in them at-such an angle that when-water is admitted under pressure its escape through these jet-openings will cause the tubes to move around their axial support by the reactionary force of the jets of water discharged therefrom. same time these jets are deliveredwith force against the periphery of the filter C, and thus.

revolving v around it and continually dischargingwater against it with considerable force any sediment or deposit upon the exterior of the filter will be cleansed away, aided by the brush K.

It will be understood that while the filter ing is taking place the chamber A will be full of water under su fiticient pressure toforce its way through the sides of the filter; but when the filter is to be cleansed a stop-cock F is opened, which allows the water to be discharged from the vessel *A, which when empty ofiers no impediment to the revolution of the jet-tubes E and the action of the Atthe bottom the jet-tubes E are bent at right an-. gles, as shown at E, and connect with a cenral hub surrounding the pipe B.

As shown in Fig. 1, the hub carrying the arms E is turnable upon a tubular casing G, through the center of which the pipe B passes,

the casing being of sufficiently larger diameter to allow water to be introduced into it under pressure through the passage H. IVithin the hub G the casing is pierced with a sufficient number of openings I, so that water may pass out of the easing into the arms E 'E, and it is delivered through the perforations in the arms E into the chamber A, as previously described. When the filtering is going on, the cock F being closed the chamber Awill fill with Water and the Water will simply flow through these pipes E into the chamber, and thence by reason of the pressure will pass through the filter and may be drawn Whenever desired through the cook D. hen the cleaning takes place, the cock F being opened the chamber A will be empty and the reactionary force of thewater will theurotate the pipes E, and, as before. described, cleanse the filter. In conjunction with these jets I have also shown brushes 6, carried by the arms E, to be used, if desired.

At the The hub e'has an extension at the bottom I eachside of the lilterand adapted to discharge which tits into an annular step J, surrounding the hub G, and this forms a bearing upon which the arms are supported and rotate.

If it is desired to discharge thewater hp- Wardly from the filter, the pipe B mayhave a plug 1) fixed in it at a point near the bottom of the filter and above the hub G and the arms E, as shown in Fig". 2. This plug prevents water from passing directly up through the pipe, and the holes I, which are made in that part of the pipe coincident with the arms E, allow the water to flow into the arms, as ,previously described, the action being essentially the same as in a former construction.

The interior of the filter may be cleaned by means of brushes 0, projecting radially from a shaft P, which extends up axially through the filter and is both slidable and turnable therein, so that all parts can be water diagonally against the surface of the filter, a supply-pipe connecting with said revoluble arms and perforations made in the pipe which is interior tothe filter.

2. The combination in a filter of an exterior containing-casing, a centrally-disposed. vertical discharge-pipe fixed within the casing and extending through it having perforations made in that portion within the casing, a filter device fixed to the pipe and inclosing the perforated portion thereof, and a dis charge-cock whereby water may be drawn from the interior oft'he filter,asupp1y-pipe of larger diameter surrounding said dischargepipe below the filter having an annular step around the exterior, a hub turnable in said step having arms radiating horizontally therefrom and perforations in the pipe from which water may be admitted into said arms, and vertical extensions of said arms having diagonal holes made in their inner sides where by jets of water are thrown against the filter and the arms are rotated about the filter duringthe operation. y

In Witness whereof I have hereunto set my hand.

AUGUSTINE KENNEY. Witnesses:

S. H. NOURSE,

Jnsstn C. BRO-DIE. 

